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  <title>Converts a human readable IP address to its packed in_addr representation</title>
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  <div id="layout-content"><div id="function.inet-pton" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">inet_pton</h1>
  <p class="verinfo">(PHP 5 &gt;= 5.1.0, PHP 7)</p><p class="refpurpose"><span class="refname">inet_pton</span> &mdash; <span class="dc-title">Converts a human readable IP address to its packed in_addr representation</span></p>

 </div>
 
 <div class="refsect1 description" id="refsect1-function.inet-pton-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>inet_pton</strong></span>
    ( <span class="methodparam"><span class="type">string</span> <code class="parameter">$address</code></span>
   ) : <span class="type">string</span></div>

  <p class="para rdfs-comment">
   This function converts a human readable IPv4 or IPv6 address (if PHP
   was built with IPv6 support enabled) into an address family appropriate
   32bit or 128bit binary structure.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-function.inet-pton-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>

    
     <dt>
<code class="parameter">address</code></dt>

     <dd>

      <p class="para">
       A human readable IPv4 or IPv6 address.
      </p>
     </dd>

    
   </dl>

  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.inet-pton-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   Returns the <em>in_addr</em> representation of the given
   <code class="parameter">address</code>, or <strong><code>FALSE</code></strong> if a syntactically invalid
   <code class="parameter">address</code> is given (for example, an IPv4 address
   without dots or an IPv6 address without colons).
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-function.inet-pton-examples">
  <h3 class="title">范例</h3>
  <p class="para">
   <div class="example" id="example-5500">
    <p><strong>Example #1 <span class="function"><strong>inet_pton()</strong></span> Example</strong></p>
    <div class="example-contents">
 <div class="phpcode"><pre><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br />$in_addr&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">inet_pton</span><span style="color: #007700">(</span><span style="color: #DD0000">'127.0.0.1'</span><span style="color: #007700">);<br />&nbsp;<br /></span><span style="color: #0000BB">$in6_addr&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">inet_pton</span><span style="color: #007700">(</span><span style="color: #DD0000">'::1'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</pre></div>
    </div>

   </div>   
  </p>
 </div>


 <div class="refsect1 changelog" id="refsect1-function.inet-pton-changelog">
  <h3 class="title">更新日志</h3>
  <p class="para">
   <table class="doctable informaltable">
    
     <thead>
      <tr>
       <th>版本</th>
       <th>说明</th>
      </tr>

     </thead>

     <tbody class="tbody">
      <tr>
       <td>5.3.0</td>
       <td>
         This function is now available on Windows platforms.
       </td>
      </tr>

     </tbody>
    
   </table>

  </p>
 </div>


 <div class="refsect1 seealso" id="refsect1-function.inet-pton-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><span class="function"><a href="ip2long.html" class="function" rel="rdfs-seeAlso">ip2long()</a> - 将 IPV4 的字符串互联网协议转换成长整型数字</span></li>
    <li class="member"><span class="function"><a href="long2ip.html" class="function" rel="rdfs-seeAlso">long2ip()</a> - 将长整型转化为字符串形式带点的互联网标准格式地址（IPV4）</span></li>
    <li class="member"><span class="function"><a href="inet_ntop.html" class="function" rel="rdfs-seeAlso">inet_ntop()</a> - Converts a packed internet address to a human readable representation</span></li>
   </ul>
  </p>
 </div>


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